13326881 has 4 divisors (see below), whose sum is σ = 13444932. Its totient is φ = 13208832.

The previous prime is 13326877. The next prime is 13326941. The reversal of 13326881 is 18862331.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 18862331 = 83 ⋅227257.

It can be written as a sum of positive squares in 2 ways, for example, as 4800481 + 8526400 = 2191^2 + 2920^2 .

It is a cyclic number.

It is not a de Polignac number, because 13326881 - 2² = 13326877 is a prime.

It is a super-2 number, since 2×13326881² = 355211514376322, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13326811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58856 + ... + 59081.

It is an arithmetic number, because the mean of its divisors is an integer number (3361233).

Almost surely, 2^13326881 is an apocalyptic number.

It is an amenable number.

13326881 is a deficient number, since it is larger than the sum of its proper divisors (118051).

13326881 is a wasteful number, since it uses less digits than its factorization.

13326881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118050.

The product of its digits is 6912, while the sum is 32.

The square root of 13326881 is about 3650.6000876568. The cubic root of 13326881 is about 237.0879636922.

The spelling of 13326881 in words is "thirteen million, three hundred twenty-six thousand, eight hundred eighty-one".